EP3955762A1 - Multilayer base that can be glued to the skin to form self-adhesive prostheses for hair and prosthetic implants thus obtained - Google Patents

Multilayer base that can be glued to the skin to form self-adhesive prostheses for hair and prosthetic implants thus obtained

Info

Publication number
EP3955762A1
EP3955762A1 EP20725902.9A EP20725902A EP3955762A1 EP 3955762 A1 EP3955762 A1 EP 3955762A1 EP 20725902 A EP20725902 A EP 20725902A EP 3955762 A1 EP3955762 A1 EP 3955762A1
Authority
EP
European Patent Office
Prior art keywords
hair
skin
adhesive
multilayer base
grafted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20725902.9A
Other languages
German (de)
French (fr)
Other versions
EP3955762C0 (en
EP3955762B1 (en
Inventor
Massimiliano Delli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sicurmatica Di Massimiliano Delli
Original Assignee
Sicurmatica Di Massimiliano Delli
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sicurmatica Di Massimiliano Delli filed Critical Sicurmatica Di Massimiliano Delli
Publication of EP3955762A1 publication Critical patent/EP3955762A1/en
Application granted granted Critical
Publication of EP3955762C0 publication Critical patent/EP3955762C0/en
Publication of EP3955762B1 publication Critical patent/EP3955762B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A41G3/0008—Fastening thereof
    • A41G3/0025—Fastening thereof by adhesive means
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A41G3/0041—Bases for wigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/08—Animal fibres, e.g. hair, wool, silk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/105—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/105—Metal
    • B32B2264/1051—Silver or gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/12—Ceramic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/16—Metal
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00—Presence of polyurethane

Definitions

  • the present invention relates to a multilayer base that can be glued to the skin to produce self-adhesive prostheses for hair, of the type described, for example, in Italian patent no. 102008901683189 (formerly, no. GE2008A000100), filed on December 2 nd 2008 in the name of the same applicant of the present application with the title“Metodo di fabbricacade di un supporto multistrato incollabile sulla cute per la formaée di protesi autoadesive per capelli ed impianti protesici cosl ottenuti” (Method for making a multilayer base that can be glued to the skin to form self- adhesive prostheses for hair and prosthetic implants thus obtained).
  • this method comprises:
  • the defect of this known method consisted in the fact that the hair, grafted onto the polyurethane membrane, rapidly lost its shine and elasticity.
  • the polymer-keratin-water bond is modified providing continuous hydration to the hair shaft, which in this way maintains its elasticity and shine for a long period of time.
  • composition of the polyurethane membrane that conforms with the present invention could consist of the following (expressed in weight percentages):
  • micronized silver powder 1 % by weight
  • nano-bio-ceramics 1 % by weight
  • Both the formation of the acrylic base film and the formation of the polyurethane membrane onto which the hair is grafted can be implemented using well-known industrial methods, such as grafting of the hair onto the polyurethane membrane can be implemented using industrial methods.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Cosmetics (AREA)
  • Prostheses (AREA)

Abstract

A multilayer base designed to be bonded to the skin so as to form a prosthesis for self-adhesive hair, comprising an acrylic film with the addition of 0.1 to 3% of silver ions having the shape of the crown of the user's cranium and a polyurethane membrane onto which the hair is grafted attached to said acrylic film, characterized in that 0.1 to 3% by weight of micronized silver powder, 0.1 to 3% of nano-bio-ceramics and 0.1 to 3% of maslinic acid are added to the polyurethane polymer forming the membrane onto which the hair is grafted.

Description

TITLE
MULTILAYER BASE THAT CAN BE GLUED TO THE SKIN TO FORM SELF- ADHESIVE PROSTHESES FOR HAIR AND PROSTHETIC IMPLANTS THUS OBTAINED
DESCRIPTION
The present invention relates to a multilayer base that can be glued to the skin to produce self-adhesive prostheses for hair, of the type described, for example, in Italian patent no. 102008901683189 (formerly, no. GE2008A000100), filed on December 2nd 2008 in the name of the same applicant of the present application with the title“Metodo di fabbricazione di un supporto multistrato incollabile sulla cute per la formazione di protesi autoadesive per capelli ed impianti protesici cosl ottenuti” (Method for making a multilayer base that can be glued to the skin to form self- adhesive prostheses for hair and prosthetic implants thus obtained).
As described in the above-mentioned prior patent, this method comprises:
a) forming a thin membrane consisting of a thermoformable acrylic compound designed to produce crowns having the shape of the user’s cranium;
b) producing the actual prosthesis obtained by means of grafting hair onto a polyurethane membrane that is subsequently attached to the adhesive acrylic membrane.
The defect of this known method consisted in the fact that the hair, grafted onto the polyurethane membrane, rapidly lost its shine and elasticity.
According to the present invention it has been discovered that, by adding a mixture composed of 0.1 % to 3% by weight of micronized powder of the hair on a membrane of nano-bio-ceramics and of 0.1 % to 3% of maslinic acid to the polyurethane mixture forming the membrane onto which the hair is grafted, the polymer-keratin-water bond is modified providing continuous hydration to the hair shaft, which in this way maintains its elasticity and shine for a long period of time.
The polyurethane membrane thus modified is therefore able to alter the moisture absorption-desorption process in the hair grafted onto it. A composition of the polyurethane membrane that conforms with the present invention could consist of the following (expressed in weight percentages):
• micronized silver powder 1 % by weight;
• nano-bio-ceramics 1 % by weight;
· maslinic acid 1 % by weight;
• polyurethane glue added up to 100% parts by weight.
Both the formation of the acrylic base film and the formation of the polyurethane membrane onto which the hair is grafted can be implemented using well-known industrial methods, such as grafting of the hair onto the polyurethane membrane can be implemented using industrial methods.

Claims

1 . A multilayer base designed to be bonded to the skin so as to form a prosthesis for self-adhesive hair, comprising:
• an acrylic film with the addition of 0.1 to 3% of silver ions having the shape of the crown of the user’s cranium;
• a polyurethane membrane onto which the hair is grafted attached to said acrylic film, characterized in that 0.1 to 3% by weight of micronized silver powder, 0.1 to 3% of nano-bio-ceramics and 0.1 to 3% of maslinic acid are added to the polyurethane polymer forming the membrane onto which the hair is grafted.
EP20725902.9A 2019-04-18 2020-04-09 Multilayer base that can be glued to the skin to form self-adhesive prostheses for hair and prosthetic implants thus obtained Active EP3955762B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT201900006060 2019-04-18
PCT/IB2020/053401 WO2020212810A1 (en) 2019-04-18 2020-04-09 Multilayer base that can be glued to the skin to form self-adhesive prostheses for hair and prosthetic implants thus obtained

Publications (3)

Publication Number Publication Date
EP3955762A1 true EP3955762A1 (en) 2022-02-23
EP3955762C0 EP3955762C0 (en) 2023-06-07
EP3955762B1 EP3955762B1 (en) 2023-06-07

Family

ID=68343197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20725902.9A Active EP3955762B1 (en) 2019-04-18 2020-04-09 Multilayer base that can be glued to the skin to form self-adhesive prostheses for hair and prosthetic implants thus obtained

Country Status (5)

Country Link
US (1) US20220175071A1 (en)
EP (1) EP3955762B1 (en)
CN (1) CN114007456A (en)
ES (1) ES2954621T3 (en)
WO (1) WO2020212810A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4729268B2 (en) * 2004-05-31 2011-07-20 ニッタ株式会社 Easy removal tape for wigs
JP4560718B2 (en) * 2004-10-25 2010-10-13 株式会社アデランスホールディングス Wig adhesive, wig and manufacturing method using the same
KR101132355B1 (en) * 2008-12-02 2012-04-05 주식회사 아모메디 Manufacturing Method of Membrane for Wig
IT1392030B1 (en) * 2008-12-02 2012-02-09 Sicurmatica Di Massimiliano Delli METHOD OF MANUFACTURING A GLUABLE MULTILAYER SUPPORT ON THE SKIN FOR THE FORMATION OF SELF-ADHESIVE PROSTHESIS FOR HAIR AND MULTILAYER PROSTHETIC IMPLANTS THUS OBTAINED.

Also Published As

Publication number Publication date
EP3955762C0 (en) 2023-06-07
EP3955762B1 (en) 2023-06-07
ES2954621T3 (en) 2023-11-23
WO2020212810A1 (en) 2020-10-22
CN114007456A (en) 2022-02-01
US20220175071A1 (en) 2022-06-09

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